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Most Helpful Positive Review
6 ARC Rainier Barrel
Ordered this barrel which was easy to mount and dimple. Used a Grendel bolt and carrier II. Headspace Excellent. Performed awesome at the range. Really shines on the long ranges. No problem getting this out to 1000 yards. It's a better barrel than the regular rainier Match barrels.
Super accurate, needs tuning
This barrel is sub MOA all day, at least the one I got. Five shot groups are constantly less than .9 MOA
It really liked my 90 gn TGK. And I can get them going 2700 FPS.
My only complaint is that I think this needs a tuning redesign. Rainier’s rifle +1 tube is not a good choice for this 18 inch barrel. There is not enough dwell time. It works excellent once paired with suppressor. In order to make this work with my mid weight grain, projectiles, I had to use a home modified 2.5 oz less than standard carbine buffer. I had to match it to a -20% spring. And use a fixed gas block, because the tunable gas block wasn’t allowing enough gas through. Great barrel in terms of accuracy, I would recommend to Rainier to switch to a rifle or mid length tube, and possibly to open the gas Porte a little bit more. Maybe a chance mine was simply ported incorrectly.
It really liked my 90 gn TGK. And I can get them going 2700 FPS.
My only complaint is that I think this needs a tuning redesign. Rainier’s rifle +1 tube is not a good choice for this 18 inch barrel. There is not enough dwell time. It works excellent once paired with suppressor. In order to make this work with my mid weight grain, projectiles, I had to use a home modified 2.5 oz less than standard carbine buffer. I had to match it to a -20% spring. And use a fixed gas block, because the tunable gas block wasn’t allowing enough gas through. Great barrel in terms of accuracy, I would recommend to Rainier to switch to a rifle or mid length tube, and possibly to open the gas Porte a little bit more. Maybe a chance mine was simply ported incorrectly.
Would recommend: Yes
Great performance for a solid price
This was my first endeavor into 6mm arc and it was kinda difficult to find a review for any of the 6 arc options out there. I ended up going with this ranier based off of the companies reputation and I’m glad I did. It’s a laser right out of the box. Although I would suggest lapping your upper before installing any barrel. The zeroing process was extremely satisfying as once I got it dialed in I was hitting half moa 5 shot groups easily. I plan on doing 10 shot groups on my next outing I just didn’t have enough ammo this trip. The barrel is very high quality is looks great and it’s pretty light weight for an 18inch match barrel. I was able to walk it out to a 12” x 12” target at 700 yards easily before I ran out of ammo. Also I had not problems with packaging like the other comments states. Mine was wrapped in large bubble wrap in a cylindrical container just like other barrels I have bought before.
Pros:
- performance
Cons:
- None
Would recommend: Yes
2 of 2 found the following review helpful.
Poor Packaging for the Price
Be aware that this “ultra match grade” barrel does not come in a vendor box. One wrap of bubble wrap held together with an item label. Still waiting on gas tube that was missing from the order to shoot it.
Would recommend: No
0 of 4 found the following review helpful.
so far so good
Because of my complied lifestyle, I havnt yet put the build this barrel is intended for together yet, but the price was right and it arrived quickly. Hope I can update on quality and performance later on
Would recommend: Yes
0 of 23 found the following review helpful.
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